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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-858) Order By followed by "replicated" join fails while compiling MR-plan from physical plan
Date Mon, 28 Sep 2009 03:05:16 GMT

    [ https://issues.apache.org/jira/browse/PIG-858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760141#action_12760141
] 

Hadoop QA commented on PIG-858:
-------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12419592/pig-858.patch
  against trunk revision 819057.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/47/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/47/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/47/console

This message is automatically generated.

> Order By followed by "replicated" join fails while compiling MR-plan from physical plan
> ---------------------------------------------------------------------------------------
>
>                 Key: PIG-858
>                 URL: https://issues.apache.org/jira/browse/PIG-858
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.4.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.6.0
>
>         Attachments: pig-858.patch
>
>
> Consider the query:
> {code}
> A = load 'a';
> B = order A by $0;
> C = join A by $0, B by $0;
> explain C;
> {code}
> works. But if replicated join is used instead
> {code}
> A = load 'a';
> B = order A by $0;
> C = join A by $0, B by $0 using "replicated";
> explain C;
> {code}
> this fails with ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2034: Error compiling
operator POFRJoin
> relevant stacktrace:
> {code}
> Caused by: java.lang.RuntimeException: org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompilerException:
ERROR 2034: Error compiling operator POFRJoin
>         at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.explain(HExecutionEngine.java:306)
>         at org.apache.pig.PigServer.explain(PigServer.java:574)
>         ... 8 more
> Caused by: org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompilerException:
ERROR 2034: Error compiling operator POFRJoin
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.visitFRJoin(MRCompiler.java:942)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFRJoin.visit(POFRJoin.java:173)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.compile(MRCompiler.java:342)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.compile(MRCompiler.java:327)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.compile(MRCompiler.java:233)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.compile(MapReduceLauncher.java:301)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.explain(MapReduceLauncher.java:278)
>         at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.explain(HExecutionEngine.java:303)
>         ... 9 more
> Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.visitFRJoin(MRCompiler.java:901)
>         ... 16 more
> {code}

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